Clip-on pouring spout



FIG. 1 is a top, front and left side perspective view of a clip-on pouring spout showing my new design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a back side elevational view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a front view thereof; and,

FIG. 7 is a right view thereof. 

The ornamental design for a clip-on pouring spout, as shown. 